update lua/src/lauxlib.c.

luaL_addlstring中,对字符串长度进行判断,大于100的则进行一次GC

lua/src/lauxlib.c

@@ -558,6 +558,10 @@ LUALIB_API char *luaL_prepbuffsize (luaL_Buffer *B, size_t sz) {
 
 LUALIB_API void luaL_addlstring (luaL_Buffer *B, const char *s, size_t l) {
   if (l > 0) {  /* avoid 'memcpy' when 's' can be NULL */
+    if(l>100)
+	{
+      lua_gc(L, LUA_GCCOLLECT, 0);
+	}
     char *b = luaL_prepbuffsize(B, l);
     memcpy(b, s, l * sizeof(char));
     luaL_addsize(B, l);